Hook



FIG. 1 is a front perspective view of a hook having the claimed design for a hook.

FIG. 2 is a rear perspective view of the hook.

FIG. 3 is a front elevational view of the hook.

FIG. 4 is a rear elevational view of the hook.

FIG. 5 is a side view of the hook.

FIG. 6 is a side view opposite the side view of FIG. 5.

FIG. 7 is a top view of the hook; and,

FIG. 8 is a bottom view of the hook. 

CLAIM The ornamental designs for a hook, as shown and described. 